Royal Lake is a lake in Calhoun County, Illinois. Its water-quality measurements are published by Illinois EPA and shown on this page as reported.

How deep is Royal Lake?

Royal Lake has a maximum depth of 5 feet and an average depth of 3 feet. The lake covers 86 acres.

Royal Lake

Calhoun County, Illinois86 acresView map Directions

No nutrient or algae sampling on record from Illinois EPA for this lake.

Max depth

5 ft

Bathymetric survey

Area

86 acres

Surface area

Shoreline

6.7 mi

Measured length

5 ft max depth

See the measurements Directions Where to stay

Royal Lake in Calhoun County, Illinois has water-quality measurements published by Illinois EPA, shown here as reported. Maximum depth: 5 ft. Surface area: 86 acres.

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Royal Lake is a 86-acre lake in Calhoun County, Illinois with a maximum depth of 5 feet (3-foot average).

Source: EPA Water Quality Portal sampling records, Illinois EPA. Methodology: how these readings are compared.

Swimming conditions

No reading

Not rated

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Whether Royal Lake is safe to swim in today is a call for the Illinois Environmental Protection Agency and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

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Water quality measurements for Royal Lake

These are the measurements Illinois EPA publishes for Royal Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.

No clarity data. TSI undefined.

Ask about Royal Lake

Answers come straight from the public measurements and survey records on this page.

Lake Details

Max depth

5 ft

Average depth

3 ft

Surface area

86 acres

Shoreline

6.7 mi

Stays via Stay22

Stays near Royal Lake

Compare lakeside cabins, hotels, and vacation rentals near Royal Lake in Calhoun County, Illinois — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.

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Fishing Royal Lake

→ Royal Lake fishing regulations (limits, seasons, special rules)

Nearby Lakes in Calhoun County

Silver Lake1.2 miView →Chickahominy Lake1.9 miView →Watson Lake—View →Strator Pond—View →Middle Slough—View →Godar Swamp—View →

Frequently asked questions about Royal Lake

Where is Royal Lake?: Royal Lake is a lake in Calhoun County, Illinois. Its water-quality measurements are published by Illinois EPA and shown on this page as reported.
What is the water quality of Royal Lake?: Royal Lake in Calhoun County, Illinois has water-quality measurements published by Illinois EPA, shown here as reported. Maximum depth: 5 ft. Surface area: 86 acres.
Is Royal Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Royal Lake?: Royal Lake has a maximum depth of 5 feet and an average depth of 3 feet. The lake covers 86 acres.